--- a/search_utils/search_utils.cc Mon Jun 01 21:08:44 2009 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,289 +0,0 @@
-/*
- * (c) 2009 Mario de Sousa
- *
- * Offered to the public under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
- * Public License for more details.
- *
- * This code is made available on the understanding that it will not be
- * used in safety-critical situations without a full and competent review.
- */
-
-/*
- * An IEC 61131-3 IL and ST compiler.
- *
- * Based on the
- * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
- *
- */
-
-
-/*
- * This is the main stage 3a file.
- *
- * In stage 3a some helpful symbol tables are instanciated and populated.
- * These symbol tables wll then be used by stage3b and atage4 code generators.
- */
-
-
-
-
-
-
-// #include <stdio.h> /* required for NULL */
-#include <string>
-#include <iostream>
-#include <sstream>
-#include <typeinfo>
-#include <list>
-#include <strings.h>
-
-#include "../util/symtable.hh"
-#include "../util/dsymtable.hh"
-#include "../absyntax/visitor.hh"
-
-
-
-//#define DEBUG
-#ifdef DEBUG
-#define TRACE(classname) printf("\n____%s____\n",classname);
-#else
-#define TRACE(classname)
-#endif
-
-#define ERROR error_exit(__FILE__,__LINE__)
-/* function defined in main.cc */
-extern void error_exit(const char *file_name, int line_no);
-
-
-
-
-
-/* A symbol table with all globally declared functions... */
-function_declaration_c null_symbol1(NULL,NULL,NULL,NULL);
-dsymtable_c<function_declaration_c *, &null_symbol1> function_symtable;
-
-/* A symbol table with all globally declared functions block types... */
-function_block_declaration_c null_symbol2(NULL,NULL,NULL);
-symtable_c<function_block_declaration_c *, &null_symbol2> function_block_type_symtable;
-
-/* A symbol table with all globally declared program types... */
-program_declaration_c null_symbol3(NULL,NULL,NULL);
-symtable_c<program_declaration_c *, &null_symbol3> program_type_symtable;
-
-/* A symbol table with all user declared type definitions... */
-/* Note that function block types and program types have their
- * own symbol tables, so do not get placed in this symbol table!
- */
-symbol_c null_symbol4;
-symtable_c<symbol_c *, &null_symbol4> type_symtable;
-
-
-
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-
-/*
-#include "spec_init_separator.cc"
-#include "function_param_iterator.cc"
-#include "function_call_iterator.cc"
-#include "function_call_param_iterator.cc"
-#include "type_initial_value.cc"
-#include "search_fb_instance_decl.cc"
-#include "search_fb_typedecl.cc"
-#include "search_base_type.cc"
-#include "search_var_instance_decl.cc"
-#include "decompose_var_instance_name.cc"
-#include "search_varfb_instance_type.cc"
-#include "search_constant_type.cc"
-#include "search_expression_type.cc"
-
-#include "generate_c_base.cc"
-#include "generate_c_typedecl.cc"
-#include "generate_c_sfcdecl.cc"
-#include "generate_c_vardecl.cc"
-#include "generate_c_configbody.cc"
-#include "generate_location_list.cc"
-#include "generate_var_list.cc"
-*/
-
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-
-
-class populate_symtables_c: public iterator_visitor_c {
-
- public:
- populate_symtables_c(void) {};
- virtual ~populate_symtables_c(void) {}
-
-
- public:
-
-/*************************/
-/* B.1 - Common elements */
-/*************************/
-/*******************************************/
-/* B 1.1 - Letters, digits and identifiers */
-/*******************************************/
-/*********************/
-/* B 1.2 - Constants */
-/*********************/
-/******************************/
-/* B 1.2.1 - Numeric Literals */
-/******************************/
-/*******************************/
-/* B.1.2.2 Character Strings */
-/*******************************/
-/***************************/
-/* B 1.2.3 - Time Literals */
-/***************************/
-/************************/
-/* B 1.2.3.1 - Duration */
-/************************/
-/************************************/
-/* B 1.2.3.2 - Time of day and Date */
-/************************************/
-/**********************/
-/* B.1.3 - Data types */
-/**********************/
-/***********************************/
-/* B 1.3.1 - Elementary Data Types */
-/***********************************/
-/********************************/
-/* B.1.3.2 - Generic data types */
-/********************************/
-/********************************/
-/* B 1.3.3 - Derived data types */
-/********************************/
-
-/* subrange_type_name ':' subrange_spec_init */
-void *visit(subrange_type_declaration_c *symbol) {
- TRACE("subrange_type_declaration_c");
- type_symtable.insert(symbol->subrange_type_name, symbol->subrange_spec_init);
- return NULL;
-}
-
-
-/* enumerated_type_name ':' enumerated_spec_init */
-void *visit(enumerated_type_declaration_c *symbol) {
- TRACE("enumerated_type_declaration_c");
- type_symtable.insert(symbol->enumerated_type_name, symbol->enumerated_spec_init);
- return NULL;
-}
-
-
-/* identifier ':' array_spec_init */
-void *visit(array_type_declaration_c *symbol) {
- TRACE("array_type_declaration_c");
- type_symtable.insert(symbol->identifier, symbol->array_spec_init);
- return NULL;
-}
-
-
-/* simple_type_name ':' simple_spec_init */
-void *visit(simple_type_declaration_c *symbol) {
- TRACE("simple_type_declaration_c");
- type_symtable.insert(symbol->simple_type_name, symbol->simple_spec_init);
- return NULL;
-}
-
-
-/* structure_type_name ':' structure_specification */
-void *visit(structure_type_declaration_c *symbol) {
- TRACE("structure_type_declaration_c");
- type_symtable.insert(symbol->structure_type_name, symbol->structure_specification);
- return NULL;
-}
-
-
-
-/*********************/
-/* B 1.4 - Variables */
-/*********************/
-/********************************************/
-/* B.1.4.1 Directly Represented Variables */
-/********************************************/
-/*************************************/
-/* B.1.4.2 Multi-element Variables */
-/*************************************/
-/******************************************/
-/* B 1.4.3 - Declaration & Initialisation */
-/******************************************/
-/**************************************/
-/* B.1.5 - Program organization units */
-/**************************************/
-/***********************/
-/* B 1.5.1 - Functions */
-/***********************/
-public:
-/* FUNCTION derived_function_name ':' elementary_type_name io_OR_function_var_declarations_list function_body END_FUNCTION */
-/* | FUNCTION derived_function_name ':' derived_type_name io_OR_function_var_declarations_list function_body END_FUNCTION */
-void *visit(function_declaration_c *symbol) {
- TRACE("function_declaration_c");
- function_symtable.insert(symbol->derived_function_name, symbol);
-
- /* symbol->derived_function_name->accept(*this); */ /* Function name */
- /* symbol->type_name->accept(*this); */ /* return data type */
- /* symbol->var_declarations_list->accept(*this); */ /* Function parameters and variables */
- /* symbol->function_body->accept(*this); */ /* Function body */
- return NULL;
-}
-
-
-/*****************************/
-/* B 1.5.2 - Function Blocks */
-/*****************************/
-public:
-/* FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */
-//SYM_REF4(function_block_declaration_c, fblock_name, var_declarations, fblock_body, unused)
-void *visit(function_block_declaration_c *symbol) {
- TRACE("function_block_declaration_c");
- function_block_type_symtable.insert(symbol->fblock_name, symbol);
-/*
- symbol->fblock_name->accept(*this);
- symbol->var_declarations->accept(*this);
- symbol->fblock_body->accept(*this);
-*/
- return NULL;
-}
-
-
-/**********************/
-/* B 1.5.3 - Programs */
-/**********************/
-public:
-/* PROGRAM program_type_name program_var_declarations_list function_block_body END_PROGRAM */
-//SYM_REF4(program_declaration_c, program_type_name, var_declarations, function_block_body, unused)
-void *visit(program_declaration_c *symbol) {
- TRACE("program_declaration_c");
- program_type_symtable.insert(symbol->program_type_name, symbol);
-/*
- symbol->program_type_name->accept(*this);
- symbol->var_declarations->accept(*this);
- symbol->function_block_body->accept(*this);
-*/
- return NULL;
-}
-
-}; /* populate_symtables_c */
-
-
-
-
-
-void search_utils_init(symbol_c *tree_root) {
- populate_symtables_c populate_symbols;
-
- tree_root->accept(populate_symbols);
-}
--- a/search_utils/search_utils.hh Mon Jun 01 21:08:44 2009 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,106 +0,0 @@
-/*
- * (c) 2009 Mario de Sousa
- *
- * Offered to the public under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
- * Public License for more details.
- *
- * This code is made available on the understanding that it will not be
- * used in safety-critical situations without a full and competent review.
- */
-
-/*
- * An IEC 61131-3 IL and ST compiler.
- *
- * Based on the
- * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
- *
- */
-
-
-/*
- * This is the main stage 3a file.
- *
- * In stage 3a some helpful symbol tables are instanciated and populated.
- * These symbol tables wll then be used by stage3b and atage4 code generators.
- */
-
-
-
-
-
-
-// #include <stdio.h> /* required for NULL */
-#include "../util/symtable.hh"
-#include "../util/dsymtable.hh"
-#include "../absyntax/visitor.hh"
-
-
-
-
-
-/* A symbol table with all globally declared functions... */
-extern function_declaration_c null_symbol1;
-extern dsymtable_c<function_declaration_c *, &null_symbol1> function_symtable;
-
-/* A symbol table with all globally declared functions block types... */
-extern function_block_declaration_c null_symbol2;
-extern symtable_c<function_block_declaration_c *, &null_symbol2> function_block_type_symtable;
-
-/* A symbol table with all globally declared program types... */
-extern program_declaration_c null_symbol3;
-extern symtable_c<program_declaration_c *, &null_symbol3> program_type_symtable;
-
-/* A symbol table with all user declared type definitions... */
-/* Note that function block types and program types have their
- * own symbol tables, so do not get placed in this symbol table!
- */
-extern symbol_c null_symbol4;
-extern symtable_c<symbol_c *, &null_symbol4> type_symtable;
-
-
-
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-
-/*
-#include "spec_init_separator.cc"
-#include "function_param_iterator.cc"
-#include "function_call_iterator.cc"
-#include "function_call_param_iterator.cc"
-#include "type_initial_value.cc"
-#include "search_fb_instance_decl.cc"
-#include "search_fb_typedecl.cc"
-#include "search_base_type.cc"
-#include "search_var_instance_decl.cc"
-#include "decompose_var_instance_name.cc"
-#include "search_varfb_instance_type.cc"
-#include "search_constant_type.cc"
-#include "search_expression_type.cc"
-
-#include "generate_c_base.cc"
-#include "generate_c_typedecl.cc"
-#include "generate_c_sfcdecl.cc"
-#include "generate_c_vardecl.cc"
-#include "generate_c_configbody.cc"
-#include "generate_location_list.cc"
-#include "generate_var_list.cc"
-*/
-
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-
-
-
-
-void search_utils_init(symbol_c *tree_root);
--- a/stage4/generate_c/function_param_iterator.cc Mon Jun 01 21:08:44 2009 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,469 +0,0 @@
-/*
- * (c) 2003 Mario de Sousa
- *
- * Offered to the public under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
- * Public License for more details.
- *
- * This code is made available on the understanding that it will not be
- * used in safety-critical situations without a full and competent review.
- */
-
-/*
- * An IEC 61131-3 IL and ST compiler.
- *
- * Based on the
- * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
- *
- */
-
-
-/*
- * Function parameter iterator.
- * Iterate through the in/out parameters of a function declaration.
- * Function blocks are also suported.
- *
- * This is part of the 4th stage that generates
- * a c++ source program equivalent to the IL and ST
- * code.
- */
-
-
-
-
-
-
-//#include <stdio.h> /* required for NULL */
-//#include <string>
-//#include <iostream>
-
-//#include "../../util/symtable.hh"
-
-//#include "generate_c.hh"
-
-
-#include "../../absyntax/visitor.hh"
-
-
-/* given a function_declaration_c, iterate through each
- * function in/out/inout parameter, returning the name
- * of each parameter...function_param_iterator_c
- */
-class function_param_iterator_c : public null_visitor_c {
- public:
- /* A type to specify the type of parameter.
- * VAR_INPUT => direction_in
- * VAR_OUTPUT => direction_out
- * VAR_IN_OUT => direction_inout
- * VAR_EXTERNAL => direction_extref
- *
- * Note that VAR_EXTERNAL declares variables that are in reality references
- * to global variables. This is used only inside programs!
- * These references to external variables must be correctly initialised to refer
- * to the correct global variable. Note that the user may define which variable is to be
- * referenced in a CONFIGURATION, and that different instantiations of a program
- * may have the same external variable reference diffenrent global variables!
- * The references must therefore be correctly initialised when the program instance
- * is created. This may be done by the PROGRAM class constructor since the ST and IL
- * languages do not allow the VAR_EXTERNAL reference to change at runtime
- * for a specific instance.
- *
- * We therefore need to call a PROGRAM class constructor with the variables
- * that should be refernced by the VAR_EXTERNAL variables. The direction_extref will
- * be used to identify these parameters!
- */
- typedef enum {direction_in, direction_out, direction_inout, direction_extref} param_direction_t ;
-
-
- private:
- /* a pointer to the function_block_declaration_c
- * or function_declaration_c currently being analysed.
- */
- symbol_c *f_decl;
- int next_param, param_count;
- identifier_c *current_param_name;
- symbol_c *current_param_type;
- symbol_c *current_param_default_value;
- param_direction_t current_param_direction;
- bool en_declared;
- bool eno_declared;
-
- private:
- void* handle_param_list(list_c *list) {
- if (next_param <= param_count + list->n)
- return list->elements[next_param - param_count - 1];
-
- /* the desired param is not on this list... */
- param_count += list->n;
- return NULL;
- }
-
- void* handle_single_param(symbol_c *var_name) {
- param_count++;
- if (next_param == param_count)
- return var_name;
-
- /* not yet the desired param... */
- return NULL;
- }
-
- void* iterate_list(list_c *list) {
- void *res;
- for (int i = 0; i < list->n; i++) {
- res = list->elements[i]->accept(*this);
- if (res != NULL)
- return res;
- }
- return NULL;
- }
-
-
- public:
- /* start off at the first parameter once again... */
- void reset(void) {
- next_param = param_count = 0;
- current_param_name = NULL;
- current_param_type = current_param_default_value = NULL;
- en_declared = false;
- eno_declared = false;
- }
-
- /* initialise the iterator object.
- * We must be given a reference to the function declaration
- * that will be analysed...
- */
- function_param_iterator_c(function_declaration_c *f_decl) {
- this->f_decl = f_decl;
- reset();
- }
-
- /* initialise the iterator object.
- * We must be given a reference to the function block declaration
- * that will be analysed...
- */
- function_param_iterator_c(function_block_declaration_c *fb_decl) {
- this->f_decl = fb_decl;
- reset();
- }
-
- /* initialise the iterator object.
- * We must be given a reference to the program declaration
- * that will be analysed...
- */
- function_param_iterator_c(program_declaration_c *p_decl) {
- this->f_decl = p_decl;
- reset();
- }
-
- /* Skip to the next parameter. After object creation,
- * the object references on parameter _before_ the first, so
- * this function must be called once to get the object to
- * reference the first parameter...
- *
- * Returns the parameter's name!
- */
- identifier_c *next(void) {
- void *res;
- identifier_c *identifier;
- param_count = 0;
- next_param++;
- res = f_decl->accept(*this);
- if (res != NULL) {
- symbol_c *sym = (symbol_c *)res;
- identifier = dynamic_cast<identifier_c *>(sym);
- if (identifier == NULL)
- ERROR;
- }
- else if (!en_declared) {
- current_param_direction = direction_in;
- identifier = declare_en_param();
- }
- else if (!eno_declared) {
- current_param_direction = direction_out;
- identifier = declare_eno_param();
- }
- else
- return NULL;
-
- current_param_name = identifier;
- return current_param_name;
- }
-
- identifier_c *declare_en_param(void) {
- en_declared = true;
- identifier_c *identifier = new identifier_c("EN");
- current_param_type = (symbol_c*)(new bool_type_name_c());
- current_param_default_value = (symbol_c*)(new boolean_literal_c(current_param_type, new boolean_true_c()));
- return identifier;
- }
-
- identifier_c *declare_eno_param(void) {
- eno_declared = true;
- identifier_c *identifier = new identifier_c("ENO");
- current_param_type = (symbol_c*)(new bool_type_name_c());
- current_param_default_value = NULL;
- return identifier;
- }
-
- /* Returns the currently referenced parameter's default value,
- * or NULL if none is specified in the function declrataion itself.
- */
- symbol_c *default_value(void) {
- return current_param_default_value;
- }
-
- /* Returns the currently referenced parameter's type name. */
- symbol_c *param_type(void) {
- return current_param_type;
- }
-
- /* Returns the currently referenced parameter's data passing direction.
- * i.e. VAR_INPUT, VAR_OUTPUT or VAR_INOUT
- */
- param_direction_t param_direction(void) {
- return current_param_direction;
- }
-
-/******************************************/
-/* B 1.4.3 - Declaration & Initialisation */
-/******************************************/
- void *visit(input_declarations_c *symbol) {
- TRACE("input_declarations_c");
- current_param_direction = direction_in;
- return symbol->input_declaration_list->accept(*this);
- }
- void *visit(input_declaration_list_c *symbol) {TRACE("input_declaration_list_c"); return iterate_list(symbol);}
- void *visit(edge_declaration_c *symbol) {TRACE("edge_declaration_c"); return symbol->var1_list->accept(*this);}
- void *visit(en_param_declaration_c *symbol) {
- TRACE("en_param_declaration_c");
- if (en_declared) ERROR;
- return (void *)declare_en_param();
- }
-
- /* var1_list ':' array_spec_init */
- //SYM_REF2(array_var_init_decl_c, var1_list, array_spec_init)
- void *visit(array_var_init_decl_c *symbol) {TRACE("array_var_init_decl_c"); return symbol->var1_list->accept(*this);}
-
- /* var1_list ':' initialized_structure */
- //SYM_REF2(structured_var_init_decl_c, var1_list, initialized_structure)
- void *visit(structured_var_init_decl_c *symbol) {TRACE("structured_var_init_decl_c"); return symbol->var1_list->accept(*this);}
-
-#if 0
-/* name_list ':' function_block_type_name ASSIGN structure_initialization */
-/* structure_initialization -> may be NULL ! */
-SYM_REF4(fb_name_decl_c, fb_name_list, function_block_type_name, structure_initialization, unused)
-
-/* name_list ',' fb_name */
-SYM_LIST(fb_name_list_c)
-#endif
-
- void *visit(output_declarations_c *symbol) {
- TRACE("output_declarations_c");
- current_param_direction = direction_out;
- return symbol->var_init_decl_list->accept(*this);
- }
- void *visit(eno_param_declaration_c *symbol) {
- TRACE("eno_param_declaration_c");
- if (eno_declared) ERROR;
- return (void *)declare_eno_param();
- }
- void *visit(input_output_declarations_c *symbol) {
- TRACE("input_output_declarations_c");
- current_param_direction = direction_inout;
- return symbol->var_declaration_list->accept(*this);
- }
- void *visit(var_declaration_list_c *symbol) {TRACE("var_declaration_list_c"); return iterate_list(symbol);}
-
-
- /* var1_list ':' array_specification */
- //SYM_REF2(array_var_declaration_c, var1_list, array_specification)
- void *visit(array_var_declaration_c *symbol) {TRACE("array_var_declaration_c"); return symbol->var1_list->accept(*this);}
-
- /* var1_list ':' structure_type_name */
- //SYM_REF2(structured_var_declaration_c, var1_list, structure_type_name)
- void *visit(structured_var_declaration_c *symbol) {TRACE("structured_var_declaration_c"); return symbol->var1_list->accept(*this);}
-
- /* VAR [CONSTANT] var_init_decl_list END_VAR */
- void *visit(var_declarations_c *symbol) {TRACE("var_declarations_c"); return NULL;}
-
-#if 0
-/* VAR RETAIN var_init_decl_list END_VAR */
-SYM_REF2(retentive_var_declarations_c, var_init_decl_list, unused)
-
-/* VAR [CONSTANT|RETAIN|NON_RETAIN] located_var_decl_list END_VAR */
-/* option -> may be NULL ! */
-SYM_REF2(located_var_declarations_c, option, located_var_decl_list)
-
-/* helper symbol for located_var_declarations */
-/* located_var_decl_list located_var_decl ';' */
-SYM_LIST(located_var_decl_list_c)
-
-/* [variable_name] location ':' located_var_spec_init */
-/* variable_name -> may be NULL ! */
-SYM_REF4(located_var_decl_c, variable_name, location, located_var_spec_init, unused)
-#endif
-
-/*| VAR_EXTERNAL [CONSTANT] external_declaration_list END_VAR */
-/* option -> may be NULL ! */
-// SYM_REF2(external_var_declarations_c, option, external_declaration_list)
- void *visit(external_var_declarations_c *symbol) {
- TRACE("external_var_declarations_c");
- current_param_direction = direction_extref;
- return symbol->external_declaration_list->accept(*this);
- }
-
-/* helper symbol for external_var_declarations */
-/*| external_declaration_list external_declaration';' */
-// SYM_LIST(external_declaration_list_c)
- void *visit(external_declaration_list_c *symbol) {TRACE("external_declaration_list_c"); return iterate_list(symbol);}
-
-/* global_var_name ':' (simple_specification|subrange_specification|enumerated_specification|array_specification|prev_declared_structure_type_name|function_block_type_name */
-//SYM_REF2(external_declaration_c, global_var_name, specification)
- void *visit(external_declaration_c *symbol) {
- TRACE("external_declaration_c");
- /* It is OK to store these values in the current_param_XXX
- * variables, because if the desired parameter is not in the
- * variable list we will be analysing, the current_param_XXXX
- * variables will get overwritten when we visit the next
- * var1_init_decl_c list!
- */
- current_param_default_value = spec_init_sperator_c::get_init(symbol->specification);
- current_param_type = spec_init_sperator_c::get_spec(symbol->specification);
-
- return handle_single_param(symbol->global_var_name);
- }
-
-
-#if 0
-/*| VAR_GLOBAL [CONSTANT|RETAIN] global_var_decl_list END_VAR */
-/* option -> may be NULL ! */
-SYM_REF2(global_var_declarations_c, option, global_var_decl_list)
-
-/* helper symbol for global_var_declarations */
-/*| global_var_decl_list global_var_decl ';' */
-SYM_LIST(global_var_decl_list_c)
-
-/*| global_var_spec ':' [located_var_spec_init|function_block_type_name] */
-/* type_specification ->may be NULL ! */
-SYM_REF2(global_var_decl_c, global_var_spec, type_specification)
-
-/*| global_var_name location */
-SYM_REF2(global_var_spec_c, global_var_name, location)
-
-/* AT direct_variable */
-SYM_REF2(location_c, direct_variable, unused)
-
-/*| global_var_list ',' global_var_name */
-SYM_LIST(global_var_list_c)
-
-/* var1_list ':' single_byte_string_spec */
-SYM_REF2(single_byte_string_var_declaration_c, var1_list, single_byte_string_spec)
-
-/* STRING ['[' integer ']'] [ASSIGN single_byte_character_string] */
-/* integer ->may be NULL ! */
-/* single_byte_character_string ->may be NULL ! */
-SYM_REF2(single_byte_string_spec_c, integer, single_byte_character_string)
-
-/* var1_list ':' double_byte_string_spec */
-SYM_REF2(double_byte_string_var_declaration_c, var1_list, double_byte_string_spec)
-
-/* WSTRING ['[' integer ']'] [ASSIGN double_byte_character_string] */
-/* integer ->may be NULL ! */
-/* double_byte_character_string ->may be NULL ! */
-SYM_REF2(double_byte_string_spec_c, integer, double_byte_character_string)
-
-/*| VAR [RETAIN|NON_RETAIN] incompl_located_var_decl_list END_VAR */
-/* option ->may be NULL ! */
-SYM_REF2(incompl_located_var_declarations_c, option, incompl_located_var_decl_list)
-
-/* helper symbol for incompl_located_var_declarations */
-/*| incompl_located_var_decl_list incompl_located_var_decl ';' */
-SYM_LIST(incompl_located_var_decl_list_c)
-
-/* variable_name incompl_location ':' var_spec */
-SYM_REF4(incompl_located_var_decl_c, variable_name, incompl_location, var_spec, unused)
-
-/* AT incompl_location_token */
-SYM_TOKEN(incompl_location_c)
-#endif
-
-
- void *visit(var1_init_decl_c *symbol) {
- TRACE("var1_init_decl_c");
- /* It is OK to store these values in the current_param_XXX
- * variables, because if the desired parameter is not in the
- * variable list we will be analysing, the current_param_XXXX
- * variables will get overwritten when we visit the next
- * var1_init_decl_c list!
- */
- current_param_default_value = spec_init_sperator_c::get_init(symbol->spec_init);
- current_param_type = spec_init_sperator_c::get_spec(symbol->spec_init);
-
- return symbol->var1_list->accept(*this);
- }
-
-
-
- void *visit(var1_list_c *symbol) {
- TRACE("var1_list_c");
- return handle_param_list(symbol);
- }
-
- void *visit(var_init_decl_list_c *symbol) {TRACE("var_init_decl_list_c"); return iterate_list(symbol);}
-
-
-/***********************/
-/* B 1.5.1 - Functions */
-/***********************/
- void *visit(function_declaration_c *symbol) {TRACE("function_declaration_c"); return symbol->var_declarations_list->accept(*this);}
- /* intermediate helper symbol for function_declaration */
- void *visit(var_declarations_list_c *symbol) {TRACE("var_declarations_list_c"); return iterate_list(symbol);}
- void *visit(function_var_decls_c *symbol) {TRACE("function_var_decls_c"); /* ignore */ return NULL;}
-
-
-/*****************************/
-/* B 1.5.2 - Function Blocks */
-/*****************************/
-/* FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */
- void *visit(function_block_declaration_c *symbol) {TRACE("function_block_declaration_c"); return symbol->var_declarations->accept(*this);}
-
-/* intermediate helper symbol for function_declaration */
-/* { io_var_declarations | other_var_declarations } */
-/*
- * NOTE: we re-use the var_declarations_list_c
- */
-
-/* VAR_TEMP temp_var_decl_list END_VAR */
- void *visit(temp_var_decls_c *symbol) {TRACE("temp_var_decls_c"); /* ignore */ return NULL;}
- void *visit(temp_var_decls_list_c *symbol) {TRACE("temp_var_decls_list_c"); /* ignore */ return NULL;}
-
-/* VAR NON_RETAIN var_init_decl_list END_VAR */
- void *visit(non_retentive_var_decls_c *symbol) {TRACE("non_retentive_var_decls_c"); /* ignore */ return NULL;}
-
-
-/**********************/
-/* B 1.5.3 - Programs */
-/**********************/
-/* PROGRAM program_type_name program_var_declarations_list function_block_body END_PROGRAM */
-// SYM_REF4(program_declaration_c, program_type_name, var_declarations, function_block_body, unused)
- void *visit(program_declaration_c *symbol) {TRACE("program_declaration_c"); return symbol->var_declarations->accept(*this);}
-
-/* intermediate helper symbol for program_declaration_c */
-/* { io_var_declarations | other_var_declarations } */
-/*
- * NOTE: we re-use the var_declarations_list_c
- */
-
-};
-
-
-
-
-
-
-